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Rock Pizza (Ft McMurry)

quartz conglomerate. Description:
  • Rock appears to be silica sand with rocks stuck to the surface, the rocks on the surface are stuck on better then crazy glued and would probably break before coming off. The silica sand or rock that makes the base is uniform in color through out with no other colored veins, the color is yellowish similar to fine silica. The triangular shaped rock was found 1 hour south west of Fort Mcmurray Alberta.
  • Longest width: 4 1/2 in, 11 1/2cm.
  • Shortest width: 3 1/8 in, 8 cm.
  • Weight: not known
  • Density: not known
Interesting features, theories and questions:
  • The most interesting feature would have to be the possible age of this conglomerate.
  • The chemical process that bound everything together as the rock still appears to be ocean or lake bed sand with pebbles in it.
  • There appears to be some kind of distinct high speed impact crater on one of the surface rocks.
  • There appears impact type craters and dark spots are on quite a few surface rocks.
  • Interesting rock on surface that looks like a piece of meteorite.
  • Possible olivine rocks on surface.
  • Strange crystal shapes, a few look like fish scales or like the rock was torn away leaving a crystal crater similar to what some people call crondules. One question is where in this area that the rock was found, will you find this type of sand and rocks?
  • Quartz and silica melts at 1600 C, 2912F , heat of objects entering earths atmosphere 1426-1600 C, 2600-2900 F
  • Could this rock, if void of carbon, with heat protecting silica survive entering the earths atmosphere?
  • Is this rock Alien?
Resources:
  • crondules http://www.saharamet.com/meteorite/gallery/chondrite/
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    Oldman Rock (Central Alberta)

    Description:

    • Although the rock looks brownish in the photos due to lighting, this rock is dark to light gray.
    • When you move the rock to different light directions the surface sparkles as if it is full of crushed glass.
    • In certain light it looks as if the rock was molten glass that was thrown in to a pile of sand especially in areas of impact.
    • There are numerous high speed impact craters visible in the high resolution images.
    • There is a unidentified aqua light green substance in certain areas, this can not be scraped off.
    • Dimensions: 8 in, 22 cm at the widest point; 6 in, 16 cm at the shortest point; maximum depth 2 in, 58 mm.
    • Magnetic: Yes, a magnet will stick to this rock easily.
    • Volume: 1300 ml, 1.3 litres
    • Weight: 2.86 kg
    • Density: 2.20384615384615 (g/cm3)
    Volume measurements were done in a kitchen with measuring cups not a lab, I would estimate that the volume could be out by around 20ml,

    Hypothesis:

    This rock is close to a CM carbonaceous chondrite meteorite as the density suggests that this rock is not metamorphic, the crystalline structure of the subsurface and the presence of olivine crystals, chondrules (spherical balls of rock), are all identifiable to meteorites.

    impact crater
    crater1
    green ??

    crater3
    high resolution of the surface of the Oldman Rock

    Resources:

  • Meteorite.fr - All about Meteorites
  • Interesting image simular to this rock! http://www.saharamet.com/meteorites/eucrite/DaG609.html
  • Interesting image simular to this rock! http://www.daviddarling.info/encyclopedia/C/chondrite.html
  • Meteorite density http://www.meteorites.com.au/odds&ends/density.html
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    Oldman with [ Miny Rock Fort MacMurry)]

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    Stony (Alberta)

    Obsevations

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    Rock Egg (Alberta)

    Obsevations

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    Magnetic0- (Sherwood Park, Alberta )

    Obsevations

    • Rock is magnetic.
    • The rock looks very glassy.
    • Crysytal type rock that looks like a alien skull.
    • Over all rock dose not leave flakes, unbreakable.
    • Strange arrangment of molecule looking objects.
    • (Posted April 24 /2011) More information such as weight ect posted soon.


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    sherwood (Sherwood Park, Alberta )

    Obsevations

    • Rock is magnetic.
    • The rock looks very glassy.
    • Over all rock dose not leave flakes, unbreakable.
    • (Posted April 24 /2011) More information such as weight ect posted soon.


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    Green metal (Alberta)

    Obsevations

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    Sparky Rock (Central Alberta) Meteorwrong

    Your specimen from central Alberta labelled Sparky Rock appears to consist mostly of brown mica and green amphibole. I presume that the photos show a magnet sticking to this rock. Mica and amphibole are minerals that are characteristic of terrestrial metamorphic rocks. I suspect that the magnetic iron oxide mineral magnetite is also present. This assemblage of minerals is not consistent with a meteorite.
    (From:Andrew Locock, Museums and Collections Administrator. Dept. of Earth and Atmospheric Sciences)
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